The ASCD Master Class video series offers leadership lessons from top thinkers in education, and several episodes are now available through PD In Focus. The series, hosted by NPR's Claudio Sanchez, features conversations with ASCD authors Yvette Jackson, Veronica McDermott, Mike Schmoker and others. Two new episodes -- one on teacher evaluation, featuring James Stronge, and another on school culture, featuring Baruti Kafele -- are now also available. Learn more about ASCD's PD In Focus online professional development tool.